Daniel Oliver 
Unfastened rotor is a problem commonly observed in Seiko watches, these kinds of as the before Seiko SKX or Monster, because of to a style flaw. If you discover your check out generating a strange rattling noise, as opposed to the usual spinning seem, its rotor is probably loose.
An computerized rotor is a person of the indispensable components of a mechanical watch as it allows wind the check out routinely when the wearer moves the wrist. However, persons usually experience an challenge of obtaining a loose rotor. At finest, it could just scratch the movement or the case back again at worst, it may well quit the observe or even induce irreparable damages.
If you do run into these types of problems, you want not fear about it. Repairing a loose rotor is a piece of cake. In this post, we will clearly show you how to recognize a unfastened rotor and how to fix it.
How to discover if my rotor is free?
To verify if your rotor is loose, you could get started with simple observation.
Give your observe a couple shakes and pay attention to the seem the check out is generating. If you listen to a scraping audio, which is like a metallic seem that scrapes the situation again or movement, your rotor most most likely is free.
For most of the Seiko rotors, notably 7S26 and 6r15, it is normal to listen to some audio in the course of winding. But the spinning audio would be unique from that of a loose rotor. The ordinary sound is a great deal additional of a easy jogging mechanical seem.
If your view has a screen scenario back again, you can carefully shake the observe and look at whether or not the rotor is moving as free of charge as it employed to be. If not, likely your rotor is loose.
If you are continue to not guaranteed no matter if you look at is loose by just hunting, you might adhere to the ways beneath to clear away the situation back again and examine up on your rotor:
Equipment necessary:
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Screwdriver
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Circumstance back again opener
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Pegwood/Finger cot
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Threadlocker (optional)
1. Remove the Situation Again
You want to get rid of the case again to start with in advance of you get to the rotor. The process of situation back again removal differs across different view types. Most watches, for case in point a Seiko diver, have a screw on scenario again. For this sort of circumstance back again, employing a case back again opener, you change the scenario back anticlockwise to loosen the circumstance again. Then you may keep on turning it with your palms right until it is taken off. When location down the case, set it with the internal side downwards so as to stay away from gathering dust.
2. Check out the Rotor
Now you may perhaps see an oscillating weight, which is the rotor on the back of the watch. To check if the rotor is loose, you may use a piece of pegwood or a finger with finger cot to carefully utilize strain and rotate the rotor. If the rotor arrives into make contact with with the motion on its edge, or if it wobbles all-around the horizontal aircraft, the rotor is unfastened.
